If you notice performance problems or a bottleneck at your scale, don't hesitate to <a target="_blank" rel="noopener noreferrer" href="https://github.com/Chocobozzz/PeerTube/issues/new/choose">create an issue</a> to discuss it.
If you want to test the PeerTube develop branch, we provide <a target="_blank" rel="noopener noreferrer" href="https://builds.joinpeertube.org/nightly/">nightly builds</a>.
It employs a developer, <a target="_blank" rel="noopener noreferrer" href="https://github.com/Chocobozzz">Chocobozzz</a>, who works since 2018 on PeerTube projects:
It's based on <a target="_blank" rel="noopener noreferrer" href="https://activitypub.rocks">ActivityPub</a> to connect with tools <a target="_blank" rel="noopener noreferrer" href="https://peertube.cpy.re/videos/watch/da2b08d4-a242-4170-b32a-4ec8cbdca701">like Mastodon</a> for example.
It's based on <a target="_blank" rel="noopener noreferrer" href="https://en.wikipedia.org/wiki/WebRTC">WebRTC</a>, a free and open-source project for web browsers.